Asked by jesus

Robert is 15 years older than his sister, Helen. The sum of their ages is 63. Find their ages.

Answered by PsyDAG
Let x = Helen's age and x+15 = Robert's.

x + (x+15) = 63

Solve for x, then x+15.
Answered by Ms. Sue
x is Helen's age
(x + 15) is Robert's age

x + (x + 15) = 63
2x = 48
x = 24
Answered by alyssa
alyssa is twice as old as janna three years from now the sum of thier age will be 42 how old alyssa
Answered by Marissa
Siri, who is not yet 22 year old
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